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152306215 = 5432812521
BaseRepresentation
bin10010001010000…
…00001000100111
3101121120221211221
421011000020213
5302442244330
623040241211
73526403305
oct1105001047
9347527757
10152306215
1178a77a06
1243010207
1325728829
1416329275
15d587b7a
hex9140227

152306215 has 16 divisors (see below), whose sum is σ = 187757856. Its totient is φ = 118540800.

The previous prime is 152306201. The next prime is 152306227. The reversal of 152306215 is 512603251.

It is not a de Polignac number, because 152306215 - 25 = 152306183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152306215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59155 + ... + 61675.

It is an arithmetic number, because the mean of its divisors is an integer number (11734866).

Almost surely, 2152306215 is an apocalyptic number.

152306215 is a deficient number, since it is larger than the sum of its proper divisors (35451641).

152306215 is a wasteful number, since it uses less digits than its factorization.

152306215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 152306215 is about 12341.2404157767. The cubic root of 152306215 is about 534.0384685684.

Adding to 152306215 its reverse (512603251), we get a palindrome (664909466).

The spelling of 152306215 in words is "one hundred fifty-two million, three hundred six thousand, two hundred fifteen".

Divisors: 1 5 43 215 281 1405 2521 12083 12605 60415 108403 542015 708401 3542005 30461243 152306215